Smurfs - Who is That Smurf?

A Smurf who doesn't speak Smurf? Who's smurfed his memory? And how come none of the other Smurfs smurf him? It's the start of a new smurfing adventure by French master cartoonist, Tebo, featuring Smurfette, Brainy Smurf, Hefty Smurf and Papa Smurf. Smurf along as they valiantly smurf many dangers and other smurferies to unlock the answers and help this strange Smurf.